K4s from BB, picks up two pair on turn

[morberg]

Party Poker 0.5/1 Hold'em (10 handed) converter

Preflop: Hero is BB with K[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/spade.gif[/img].
<font color="#666666">4 folds</font>, MP2 calls, MP3 calls, <font color="#666666">2 folds</font>, SB completes, Hero checks.

Flop: (4 SB) 2[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets</font>, <font color="#CC3333">Hero raises</font>, MP2 calls, <font color="#CC3333">MP3 3-bets</font>, SB calls, Hero calls, MP2 calls.

Turn: (8 BB) 4[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, MP2 folds, <font color="#CC3333">MP3 raises</font>, SB folds, Hero calls.

River: (12 BB) 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP3 bets</font>, Hero calls.

Final Pot: 14 BB

My first hand at the table, no reads at all. Good flop, but not brilliant with my weak kicker. Excellent turn, but I fear a set from MP3 and I slow down when he raises me. Correct?