KK fold on river with set

[Kimpan]

fold with a fistpump right?

PartyPoker $100 NL Hold'em <font color="#0000FF">(5 handed)</font> HandRecorder v0.9b

Stacks &amp; Stats
BB ($66.81) (50/2/0.86/29) (103h)
BU ($152.19)
MP ($100)
SB ($235.43)
Hero ($100)

Preflop: Hero is CO with K[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/club.gif[/img]
<font color="#666666">1 folds</font>, <font color="#FF0000">Hero raises to $4</font>, <font color="#666666">2 folds</font>, BB calls $3.

Flop: ($8.50) 5[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#FF0000">Hero bets $7</font>, BB calls $7.

Turn: ($22.50) 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, Hero checks.

River: ($22.50) K[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#FF0000">BB is all-In</font>(55.81), Hero folds.

Final Pot: $22.50.