[Spicymoose]

Preflop I think I fold, but I don't really know how to play in the blinds, so maybe this is a raise. I really don't think you can call though.

On the flop, BB could easily be betting a draw (the first time he bets), and CO could easily be auto-raising a lot of hands that you beat. You need to follow through with your check raise.

Turn is fine, you are probably behind, but have odds to draw.

River is a must check raise. It seems you almost definetly have CO beat, as he most probably has AA, KK, AQ, KQ. BB looks like he most probably has Q9 or 22. There are 6 combos of Q9, and 3 combos of 22. In a worst case scenario, this means that 2/3 of the time you will gain 1 extra BB, and 1/3 of the time you will lose 2 BB if he reraises. In this worst case scenario, your check raise is EV neutral, but given the fact that sometimes he won't reraise his 22, and given the fact that CO does call the check raise sometimes, you clearly have an edge, and should check raise.