NL25 ATs TPTK + NFD oop

[checktheriver]

Villain is 15/7/2.75 over 150 hands, no specific reads.
I'm not sure about his range here. Any thoughts on turn / river ?

PokerStars No-Limit Hold'em, $0.25 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Hero ($42.60)
MP ($23.90)
Button ($36.30)
SB ($25.10)
BB ($18.45)

Preflop: Hero is UTG with A[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">Hero raises to $1</font>, MP calls $1, <font color="#666666">2 folds</font>, BB calls $0.75.

Flop: ($3.10) T[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, <font color="#CC3333">Hero bets $3</font>, MP calls $3, BB folds.

Turn: ($9.10) 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $7</font>, MP calls $7.

River: ($23.10) J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP bets $12.9 (All-In)</font>, Hero folds.

Final Pot: $10.20