Is the pot big enuff to call down?

[maverickai]

SB 25.89/7.02/2.1 114hds

Full Tilt 0.25/0.5 Hold'em (9 handed) Full Tilt Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is BB with J[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">7 folds</font>, SB completes, <font color="#CC3333">Hero raises</font>, SB calls.

Flop: (5 SB) K[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, SB calls.

Turn: (3.50 BB) Q[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, <font color="#CC3333">SB raises</font>, Hero ??

Call down? SB could hold QT+ (likely), 77, KQ. He's raise on the turn is raising my alarm bells.