Did I play this KK correctly ?

[Djcoax]

Didn't have any read on villain (UTG) , proceeded cautiously after the flop because i think he was trying to slowplay aces on me. Was I too cautious ?

Party Poker No-Limit Hold'em, $0.10 BB (10 handed) Party Poker Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($1.85)
UTG ($10.15)
UTG+1 ($10)
UTG+2 ($1.70)
MP1 ($9.86)
Hero ($8.34)
MP3 ($10.32)
CO ($15.03)
Button ($2.08)
SB ($11.15)

Preflop: Hero is MP2 with K[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#CC3333">UTG raises to $0.4</font>, <font color="#666666">3 folds</font>, Hero calls $0.40, <font color="#666666">5 folds</font>.

Flop: ($0.95) 8[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG bets $0.9</font>, <font color="#CC3333">Hero raises to $1.8</font>, UTG calls $0.90.

Turn: ($4.55) 5[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, Hero checks.

River: ($4.55) Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, Hero checks.

Final Pot: $4.55