Slow down, speed up, or just right?

[jskills]

This is one of those hands that had me feeling slightly confused - felt crippled by all the diamonds. Read on villan is LA-P. Comments on any street appreciated.

Party Poker 0.5/1 Hold'em (8 handed) converter

Preflop: Hero is MP2 with J[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/heart.gif[/img].
UTG calls, <font color="#666666">1 fold</font>, MP1 calls, Hero calls, CO calls, Button calls, <font color="#666666">1 fold</font>, BB checks.

Flop: (6.50 SB) 4[img]/images/graemlins/diamond.gif[/img], 2[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(6 players)</font>
BB checks, UTG checks, MP1 checks, Hero checks, CO checks, Button checks.

Turn: (3.25 BB) Q[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(6 players)</font>
BB checks, UTG checks, <font color="#CC3333">MP1 bets</font>, <font color="#CC3333">Hero raises</font>, CO folds, Button folds, BB folds, UTG folds, MP1 calls.

River: (7.25 BB) 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
MP1 checks, Hero checks.

Final Pot: 7.25 BB