A6s turns two pair on monotone board, near the bubble

[Rooger]

PokerStars 20+2 180 SnG.
We're around 25 left - I'm one of the big stacks at the moment. Villain seems TA, haven't had any confrontations with him.
How do you continue on the turn? Call & call river? Call & push any non-heart river if checked to? Fold turn? Push turn?

PokerStars No-Limit Hold'em Tourney, Big Blind is t600 (7 handed) FTR converter on zerodivide.cx

Hero (t22479)
UTG (t9072)
MP1 (t11680)
MP2 (t6815)
CO (t3841)
Button (t29684)
SB (t38472)

Preflop: Hero is BB with A[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">5 folds</font>, SB completes, Hero checks.

Flop: (t1200) J[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets t1200</font>, Hero calls t1200.

Turn: (t3600) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets t2500</font>, <font color="#CC3333">SB raises to t8000</font>, Hero?