Was my check-raise on the flop correct? or better to bet straight out?

Preflop: Hero is MP1 with J[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 folds</font>, UTG+1 calls, <font color="#CC3333">Hero raises</font>, <font color="#666666">1 folds</font>, MP3 calls, CO calls, Button calls, <font color="#666666">1 folds</font>, BB calls, UTG+1 calls.

Flop: (12.40 SB) 6[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(6 players)</font>
BB checks, UTG+1 checks, Hero checks, <font color="#CC3333">MP3 bets</font>, CO calls, Button calls, BB calls, UTG+1 calls, <font color="#CC3333">Hero raises</font>, MP3 calls, CO calls, Button calls, BB calls, UTG+1 calls.

Turn: (12.20 BB) K[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(6 players)</font>
BB checks, UTG+1 checks, <font color="#CC3333">Hero bets</font>, MP3 calls, CO calls, Button calls, BB folds, UTG+1 calls.

River: (17.20 BB) 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(5 players)</font>
UTG+1 checks, <font color="#CC3333">Hero bets</font>, <font color="#666666">1 folds</font>, <font color="#CC3333">CO raises</font>, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero 3-bets</font>, <font color="#CC3333">CO caps</font>, Hero calls