5/10 PP, KK in SB

[man]

I'm not sure if 5/10 qualifies as mid/high-limit, but my apologies if it doesn't. I recently took a stab at the Party 5/10, and lost more than half my bankroll, so clearly I have some holes to plug. I'm not sure if this hand qualifies as bad luck or careless play (probably both), but it's pretty representative of what I was running into. My opponent seemed loose, but not especially aggressive. Otherwise I have no outstanding reads.

Party Poker 5/10 Hold'em (8 handed) converter

Preflop: Hero is SB with K[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">2 folds</font>, MP1 calls, <font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">BB 3-bets</font>, MP1 calls, <font color="#CC3333">Hero caps</font>, BB calls, MP1 calls.

Flop: (12 SB) Q[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">BB raises</font>, MP1 calls, <font color="#CC3333">Hero 3-bets</font>, BB calls, MP1 calls.

Turn: (10.50 BB) 6[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, BB folds, <font color="#CC3333">MP1 raises</font>, Hero calls.

River: (14.50 BB) 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP1 bets</font>, Hero calls.

Final Pot: 16.50 BB

Flame me like you mean it.