4/180 late AQos facing tough spot

[xxGreat1xx]

PokerStars No-Limit Hold'em Tourney, Big Blind is t800 (6 handed) Hand History converter Courtesy of PokerZion.com

SB (t26771)
BB (t12314)
UTG (t14852)
MP (t53662)
Hero (t28131)
Button (t10007)

Preflop: Hero is CO with A[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">UTG raises to t1600</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t3200</font>, <font color="#666666">3 folds</font>, UTG calls t1600.

Flop: (t6600) T[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, <font color="#CC3333">Hero bets t4000</font>, <font color="#CC3333">UTG raises to t8000</font>, Hero??


Should I have re-raised here. He's stealing blinds like a mad man and only showed down QJos. I have a feeling he could re-raise me here with any pp, and anything from KJ, KQ, A9-AK. Just seems like a bad call if i call. he is obviously committed so hes screaming that he's strong