Ultimate Bet No-Limit Hold'em, $.10 BB (4 handed) FTR converter on zerodivide.cx

Button ($5.60)
SB ($8.49)
Hero ($11.30)
UTG ($8.64)

Preflop: Hero is BB with 2[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, Button calls $0.10, SB completes, Hero checks.

Flop: ($0.30) J[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets $0.3</font>, Button calls $0.30, <font color="#CC3333">SB raises to $0.6</font>, Hero calls $0.30, Button calls $0.30.

Turn: ($2.10) 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets $1.5</font>, Button folds, <font color="#CC3333">SB raises to $4</font>, Hero calls $2.50.

River: ($10.10) J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets $3.79 (All-In)</font>, Hero folds.

Final Pot: $13.89

What does he got? Should i have 3bet the flop, fold or call a push? What about the turn? Should i bother protecting against draws if im unsure of having the best hand?