KK in BB, flopped third K

Hey, I am usually very am very aggressive and deliberate, but this hand I decided to try and go for overcalls on the flop. Was this play ok? Should I have been afraid of the raise behind me the turn?

Ultimate Bet 0.05/0.10 Hold'em (10 handed) FTR converter on zerodivide.cx

Preflop: Hero is BB with K[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/spade.gif[/img].
UTG calls, <font color="#666666">1 fold</font>, UTG+2 calls, MP1 calls, MP2 calls, <font color="#666666">3 folds</font>, SB completes, <font color="#CC3333">Hero raises</font>, UTG calls, UTG+2 calls, MP1 calls, MP2 calls, SB calls.

Flop: (12 SB) 4[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(6 players)</font>
<font color="#CC3333">SB bets</font>, Hero calls, UTG calls, UTG+2 calls, MP1 folds, MP2 calls.

Turn: (8.50 BB) J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(5 players)</font>
<font color="#CC3333">SB bets</font>, Hero calls, <font color="#CC3333">UTG raises</font>, UTG+2 calls, MP2 calls, SB calls, <font color="#CC3333">Hero 3-bets</font>, <font color="#CC3333">UTG caps</font>, UTG+2 folds, MP2 calls, SB calls, Hero calls.

River: (26.50 BB) 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets</font>, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">UTG 3-bets</font>, MP2 folds, <font color="#CC3333">SB caps</font>, Hero calls, UTG folds.

Final Pot: 37.50 BB