NL10: Recently active JJ against trip ace board

[RapidEvolution]

I'd raised the last 4 hands pre-flop (Though I'm 15/9 overall), so I gave my opponent a wider calling range than usual. If re-raised PF, I think I can get away on the flop, but the smooth call confused me a bit.



PokerStars No-Limit Hold'em, $0.10 BB (7 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP1 ($14.50)
Hero ($14.15)
CO ($6.95)
Button ($3.60)
SB ($12.45)
BB ($10.20)
UTG ($10)

Preflop: Hero is MP2 with J[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/heart.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to $0.35</font>, <font color="#666666">2 folds</font>, SB calls $0.30, <font color="#666666">1 fold</font>.

Flop: ($0.80) A[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, Hero checks.
<font color="blue"> Should I bet here to define where I am? I figure my jacks are good here, unless villain called with A-x OOP. </font>

Turn: ($0.80) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets $0.5</font>, <font color="#CC3333">SB raises to $1.5</font>, Hero calls $1.

<font color="blue"> When he check-raises I start leaning towards the smaller pairs or maybe K-7? I figured that the (roughly) 2-1 odds were good enough to call here.</font>


River: ($3.80) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)
<font color="blue"> With the 3rd ace hitting, I'm even more confident that I'm ahead, but not enough to re-raise. </font>

<font color="#CC3333">SB bets $2</font>, Hero calls $2.

Final Pot: $7.80

Any suggestions are welcome for any/all streets. Also, how big a bet would you be willing to call on the river?