KK vs strange player

[mullidito_77]

This is my first post I play this hand today and i think play soft but i thought he has a set because he raise my continuation in a rag flop he was a tasmanian devil pt/pahud.im i m rookie in nl and i apologize any opinion.
any opinion.sorry for my english.
PokerRoom No-Limit Hold'em, $0.50 BB (10 handed) internettexasholdem.com

MP1 ($31.40)
MP2 ($24.70)
MP3 ($56.25)
CO ($19.35)
Button ($22.35)
SB ($18.40)
BB ($38.70)
UTG ($25.00)
UTG+1 ($20.00)
Hero ($45.95)

Preflop: Hero is UTG+2 with K[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/heart.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to $1</font>, <font color="#666666">2 folds</font>, MP3 calls $1, <font color="#666666">4 folds</font>.

Flop: ($2.40) 2[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $2</font>, <font color="#CC3333">MP3 raises to $4</font>, Hero calls $2.

Turn: ($10.40) 9[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP3 bets $5</font>, Hero calls $5.

River: ($20.40) Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP3 bets $8</font>, Hero calls $8.

Final Pot: $36.40