Holy Paladins are the Tank healer, they can maintain both tanks alive by themselves with big heals, and still help with raid healing.

Talents for Holy Paladin Wotlk

Holy Paladin Spec, [Improved Hammer of Justice] allows to stun the Valkyr’s in ICC, if this is not needed [Blessed hands] would be the best alternative

Glyphs

Major

Glyph of Holy Light

Glyph of Seal of Light

Glyph of Beacon of Light

Minor

Glyph of Lay of Hands

Glyph of Blessing of Wisdom