FH on scary board

[Jzo19]

villain has been playing pretty standard hasnt done anything out of the ordinary?

i cant fold this right?

PokerStars No-Limit Hold'em, $0.10 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP ($8.35)
Button ($11.75)
SB ($13.25)
Hero ($10.70)
UTG ($12.50)

Preflop: Hero is BB with 3[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">3 folds</font>, <font color="#CC3333">SB raises to $0.4</font>, Hero calls $0.30.

Flop: ($0.80) T[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/spade.gif[/img], 3[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets $0.5</font>, <font color="#CC3333">Hero raises to $1.5</font>, SB calls $1.

Turn: ($3.80) K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets $3.5</font>, SB calls $3.50.

River: ($10.80) Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets $7.85 (All-In)</font>, Hero ?