10/20 6max: Iso-raise gone horribly wrong - A3s

[Surfbullet]

MP is a 67/1.1/.6 over 84 hands, but does some erratic stuff. The reason I'm here.
Button is a 35/26/1.3, over 40 hands.
SB is a 40/13/1.25 over 23 hands.
BB is a 26/16/2 over 58 hands.

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

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

Flop: (20 SB) J[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, BB checks, <font color="#CC3333">MP bets</font>, Hero calls, Button calls, SB calls, BB calls.

Turn: (12.50 BB) 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, BB checks, <font color="#CC3333">MP bets</font>, <font color="#CC3333">Hero raises</font>, Button calls, SB folds, BB folds, <font color="#CC3333">MP 3-bets</font>, Hero calls, Button calls.

River: (21.50 BB) Q[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">MP bets</font>, Hero folds, Button folds.

Final Pot: 22.50 BB

This hand is uuuugly. My thoughts later - what do you guys think?

Surf