SB bets into my straight

[LuckyDevil]

What is my move on the turn, and if raise or call, what is the plan for the river?

SB is TA-A 20/8.5/2, MP1 is TA-A 20/10/2 and Button is LA-P 70/7/.65.

Party Poker 2/4 Hold'em (10 handed) converter

Preflop: Hero is BB with Q[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/heart.gif[/img].
UTG calls, <font color="#666666">2 folds</font>, <font color="#CC3333">MP1 raises</font>, <font color="#666666">3 folds</font>, Button calls, SB calls, Hero calls, UTG calls.

Flop: (10 SB) K[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, Hero checks, UTG checks, <font color="#CC3333">MP1 bets</font>, Button calls, SB calls, Hero calls, UTG folds.

Turn: (7 BB) T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets</font>, Hero ????