AQs early in a casino tourny

[JRBeav]

Early in the tourny blinds are 25/50 @ a 9 handed table with rebuys still available to most players at the table. My read on the table is loose aggressive.

Hero is CO and I have only played two hands and exposed an A8o that I limped in the BB with. My table image is tight.

UTG (t1900) limps
UTG+1 (t2100) limps
MP1 folds
MP2 folds
MP3 folds
Hero (t2050)A [img]/images/graemlins/spade.gif[/img]Q [img]/images/graemlins/spade.gif[/img] Raises t250
button (t6200) calls (this guy will call and/or raise with any hand. I have already seen him call raises with 72s and 107o and raise with Q10o...he won all three hands flopped sets on the first two and a straight on the third)

Both blinds fold and both limpers call pot is t1175:

Flop 9 [img]/images/graemlins/diamond.gif[/img]8 [img]/images/graemlins/diamond.gif[/img]q [img]/images/graemlins/heart.gif[/img]

First two players check Hero bets t1000 everyone calls. pot is t5175

Turn: 9 [img]/images/graemlins/spade.gif[/img]

What next? With two pair and the loose nature of the table I feel committed to this pot and I push. Was this a mistake?