JJ value bet?

[aK13]

Villain here is a 40/4/1 over ~100 hands, with more aggro on river than turn, and turn more than flop. WtSD = 46, W$SD = 44, and I think he coldcalls with anything he would limp with.

Does the situation change if I have position on him?

Party Poker 1/2 Hold'em (6 max, 5 handed) converter

Preflop: Hero is MP with J[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises</font>, Button calls, <font color="#666666">2 folds</font>.

Flop: (5.50 SB) Q[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, Button calls.

Turn: (3.75 BB) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>