15k gtd on FT: AQ, two barrel semibluff?

[Chipchucker5]

I'm new to the table, and I don't recognize villain. Is this a good spot to be aggro or just spewy?

Full Tilt Poker No-Limit Hold'em Tourney, Big Blind is t40 (9 handed) Hand History converter Courtesy of PokerZion.com

Hero (t3385)
UTG (t5776)
UTG+1 (t3652)
MP1 (t540)
MP2 (t2504)
MP3 (t1854)
CO (t4364)
Button (t1570)
SB (t1263)

Preflop: Hero is BB with A[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/spade.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">MP3 raises to t140</font>, CO calls t140, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to t600</font>, MP3 folds, CO calls t460.

Flop: (t1360) 7[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t800</font>, CO calls t800.

Turn: (t2960) T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t1985 (All-In)</font>