3/6 hand

[Goat_boy]

Hello,
First post, so forgive my stupidity.

Hero has AQd in BB.
MP3 is 41/9.3/1.35 after 10 hands,
CO(posted BB) is 69/0/0.64 after 40 hands,
Button is 9.3/1.9/3.0 after 40 hands.

PF: 5 fold, MP3 calls, CO checks, button calls, SB folds,
Hero(?) raises, all call
(8SB)

Flop: Qc 5c 9c
Hero checks, MP3 checks, CO bets, 3 call
(11SB)

Turn: 7h
Hero checks, MP3 checks, CO bets, 3 call
(9.5BB)

River: Qs
Hero checks, MP3 checks, CO bets, button folds, hero calls, MP3 folds

Final pot: 11.5 BB

Comments on how i should have played this would be much appreciated.

Thanks.