FTOPS 7: early bust w/ 2 pair vs AQ

[KaderBandit]

Full Tilt Poker, NL Hold'em Tournament, 20/40 Blinds, 9 Players
LeggoPoker Hand History Converter

MP1: 4,125
MP2: 2,295
CO: 3,790
BTN: 3,765
SB: 2,085
Hero (BB): 2,580
UTG: 2,925
UTG+1: 1,480
UTG+2: 3,955

Pre-Flop: (60) 5[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/heart.gif[/img] dealt to Hero (BB)
3 folds, MP1 calls 40, MP2 folds, <font color="red">CO raises to 180</font>, 2 folds, Hero calls 140, MP1 calls 140

Flop: (560) 9 A[img]/images/graemlins/spade.gif[/img] 5 (3 Players)
Hero checks, MP1 checks, <font color="red">CO bets 400</font>, Hero calls 400, MP1 folds

Turn: (1,360) 2 (2 Players)
<font color="red">Hero bets 1,360</font>, <font color="red">CO raises to 3,210 and is All-In</font>, Hero calls 640 and is All-In

River: (5,360) 9[img]/images/graemlins/spade.gif[/img] (2 Players - 1 is All-In)

Results: 5,360 Pot
CO showed A Q (two pair, Aces and Nines) and WON 5,360 (+2,780 NET)
Hero showed 5[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/heart.gif[/img] (two pair, Aces and Nines) and LOST (-2,580 NET)

I just wonder if my check on the flop was a mistake ( I think that the guy never fold his TPHK ...)
I tought that ha had a big ace so I wanted to trap him.
What could I do on the turn.. push?

Thanks for your help.
(sorry 1st post + frenchie english)