10/20 6max: am I supposed to bet-fold? AQo

[Surfbullet]

No reads on villain, first hand at the table.

Party Poker 10/20 Hold'em (6 max, 6 handed) converter

Preflop: Hero is BB with A[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">UTG raises</font>, <font color="#666666">4 folds</font>, Hero calls.

Flop: (4.50 SB) J[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG bets</font>, Hero calls.

Turn: (3.25 BB) 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG bets</font>, Hero calls.

River: (5.25 BB) 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG raises</font>, Hero calls.

Final Pot: 9.25 BB

I'm not even sure if this is a bet-fold situation...if villain were anywhere but UTG i'd probably have 3bet preflop...I feel like the rest of the hand is kind of muddled because I didn't. Thoughts? Alternate lines?

Surf