50NL AQ vs. spewy villian

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PokerStars No-Limit Hold'em, $0.50 BB (5 handed) pokerhand.org hand converter

SB ($70.40)
BB ($50.05)
Hero ($55.35)
MP ($55.80)
Button ($51.05)

Preflop: Hero is UTG with A[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">Hero raises to $2</font>, MP calls $2, <font color="#666666">3 folds</font>.

Flop: ($4.75) T[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $3</font>, <font color="#CC3333">MP raises to $12</font>, <font color="#CC3333">Hero raises to $53.35</font>, MP calls $41.35.

Turn: ($111.45) 2[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>

River: ($111.45) 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: $111.45

I have villian at 31/21/2 over 232 and he's really spewy. prototypical LAGtard who three bets light, raises with air but does it too often and at the wrong times. he knows I'm aggressive and three-bet light and has seen me make some spewy moves as well. i figured he could easily be raising the flop with air but in retrospect i don't know if he ever folds Jx.