Frost Tank- Rate/Advice plz !

Hey guys, May I get any advice to make my armour/build better :D

Armoury: The World of Warcraft Armory

Wow-Heroes: Kryx@ Runetotem

Im at 32 Exp.
159 Hit Rating w/ Food ( Snapper/worg tartar ( Being 4 off is this bad? Gem for it ? Or it will come with upgrades?)

Im at 39k unbuffed now.

I know I'm weak on trinkets. Those are my only 2 STAM ones I also have the 245 armour and the 232 Dodge one from Pit of Saron.

Thinking EoF Gloves or Trinket next buy.

Any advice would be appreciated