CO 45/18/0.9/43
Hero is Button: Q:h Q:d
10/20 5 handed
Preflop:
UTG Call, CO raises, Hero 3-bets, SB folds, BB Folds, UTG calls, CO calls
Flop: 2:h J:s A:h
UTG checks, CO checks, Hero bets, UTG calls, CO raises, Hero ?
I think, i have to call here with a midpair backdoor flush and straight.
CO is passive but it is possible that he c/r a flush here, and give a freecard on the turn.