Is the Lich set the best set for healz?

Ok so you are a Breton Templar which is pretty good for the start.

Gear:
I would recommend to run destro resto since you should do elemental drain on the bosses and support your heals with the resto staff. 5light, 1 med, 1 heavy for undaunted passives.
Sets:
3 Willpower (arcane, spell dmg enchant) as jewelry
5 Spellpower Cure (vWGT set), alternatives: Kagrenacs Hope, Julianos, Twice Born Star
If you have Mealstrom Weapons:
2 Valkyn Skoria
Maelstrom Destro/Resto

If you have no Mealstrom weapons:
1 Kena, 2 Torugs Pact (precise resto, sharpened/nirn/precise destro depending on if you want more dmg or heals)

Skills:
Destro:
Elemental drain, Breath of Life, Purifiying Light, Puncturing Sweep/Crushing shock, Magelight
Resto:
Channeling Focus, Repentance, Spear Shards, Rapid Regeneration, Magelight

Repentance can be switched for radiant destruction in boss fights. If you need more heals use Purifiying ritual instead.

Play wise:
Trash:
Purifiying light in he biggest mob (minor sorcery for the group, and hot after 6 secs), rapid regen 2 times so everyone has it, spamming shards or jabs for aoe
Important: press repentance as soon as the first 1-2 mobs are dead. That's the moment when your group needs the stamina. Most of the healers use repentance after the fight, which is mostly useless but better then nothing. I hardly have to cast a breath of life in trash pulls, usually repentance and rapid regen is enough.

Boss fights:
Keep rapid regen and elemental drain and channeling focus up, cast Purifiying light all 6-10 secs, that should be enough heal for most situations. If someone drops for whatever reason use breath of life. For the rest of the time you can medium weave puncturing sweeps and do some decent dmg. Throw a shard approx every 10 secs since it deals good dmg and the tank might need it.

I would spend the blue CPs all into dmg, since Breath of Life overheals anyway. Red and green CPs are standard.
If you run into magicka problems try to use one cost reduction glyph or 7 pieces light armor.

That's the basic build I'm using most of the time. You can get some decent dmg numbers while healing and heal all dungeons. For raids you would have to change some skills to less dmg and more heals (combat prayer, healing springs). If you get used to healing you can also put in more dmg abilities. But as a starting point this should work well.

As a healer I use a restoration staff; Ritual of Retribution & Rapid Regeneration I keep ticking away all the time. It's wonderful with ~3500 health a second given to your group members as long as they keep within your ritual effect. Then Breath of Life for emergencies. I also use Restoring Focus for self protection, and Radiant Magelight for the critical boost. Ultimate these days I use Reviving Barrier, though it varies.

I use a destruction staff for offense, with Repentance. I find this works very well for me. With a competent group all that is really needed is usage of Repentance to keep the group standing. Just be sure to use it only as needed, not just because you can. It's one of the harder skills to get the most out of but very powerful if used right.

@BuffaloSpaceman Will do thanks

Hey there

I wrote a simple guide to pve healing a while ago, and I will recomend you to take a look at it, because I have explained build and skills very simple in it.

Groups differ a lot, so you have to adapt and provide the needed support to each group individually. Take in consideration for wether the damage dealers and tank are magicka or stamina based, what type of damage they give, how much dps they pull, how good or bad their resource management is.

2 swords and resto is my favorite combination, but I sometimes have to change to destro and resto to support my group - if they deal elemental damage to bosses.