KK too aggressive?

any thoughts on how i played this? i felt unsure on the turn, but didnt want to seem weak, did i bet too much? i cant really fold to the raise can i?? thanks in advance. villian is 24/2.6.


Party Poker No-Limit Hold'em, $ BB (6 max, 6 handed) FTR converter on zerodivide.cx

UTG ($83.06)
MP ($261.71)
CO ($38.55)
Button ($46.50)
Hero ($62.55)
BB ($14.10)

Preflop: Hero is SB with K[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/spade.gif[/img]. Hero posts a blind of $0.25.
<font color="#666666">1 fold</font>, MP calls $0.50, CO calls $0.50, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero (poster) raises to $1.75</font>, <font color="#666666">1 fold</font>, MP calls $1.50, CO calls $1.50.

Flop: ($6.50) J[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets $8</font>, MP folds, CO calls $8.

Turn: ($22.50) Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $20</font>, CO calls $28.55 (All-In), Hero calls $8.55.

River: ($79.60) 2[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

Final Pot: $79.60