Did I pump my draw correctly?

I'm trying not to focus on results as everyone says. I feel like I played this drawing hand correctly, but am eagerly awaiting everyone's opinions.

Raising my draws is still a new concept to me, so I want to make sure I'm doing it correctly.

PokerStars 2/4 Hold'em (10 handed) converter

Preflop: Hero is MP3 with K[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/spade.gif[/img]. UTG+1 posts a blind of $2.
UTG calls, UTG+1 (poster) checks, <font color="#666666">1 fold</font>, MP1 calls, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">4 folds</font>, UTG calls, UTG+1 calls, MP1 calls.

Flop: (9.50 SB) 2[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
UTG checks, UTG+1 checks, <font color="#CC3333">MP1 bets</font>, <font color="#CC3333">Hero raises</font>, UTG calls, UTG+1 folds, <font color="#CC3333">MP1 3-bets</font>, Hero calls, UTG calls.

Turn: (9.25 BB) 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
UTG checks, <font color="#CC3333">MP1 bets</font>, Hero calls, UTG calls.

River: (12.25 BB) 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
UTG checks, <font color="#CC3333">MP1 bets</font>, Hero folds, UTG calls.

Final Pot: 14.25 BB