Waynetrain999

Hi, topic says it all. I want to play Miltank like a tank with its healing ability. My Miltank: Ability: Thick Fat Nature: Impish (+10% Def, -10% spatk) Ivs: ATK: 10 DEF: 30 SPD: 18 SPATK: 13 SPDEF: 28 HP: 20 Which Evs i should train and how much on them? Which attacks should i learn it?