AQo hand

Villian is 23/8/1.2 and the two limpers before him are both fish

Party Poker 5/10 Hold'em (6 max, 5 handed) converter

Preflop: Hero is BB with Q[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/club.gif[/img].
UTG calls, MP calls, <font color="#CC3333">Button raises</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero 3-bets</font>, UTG calls, MP calls, Button calls.

Flop: (12.40 SB) 4[img]/images/graemlins/spade.gif[/img], 3[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero bets</font>, UTG calls, MP folds, Button calls.

Turn: (7.70 BB) 3[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, UTG folds, Button thinks a while and then calls.

River: (9.70 BB) 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, Button checks.

Final Pot: 9.70 BB

1) do you 3bet preflop?
2) do you bet the river?