Was this 2/4 flop checkraise overly aggressive or simply SOP?

[chesspain]

Party Poker 2/4 Hold'em (10 handed) converter

I hadn't been at the table for very long, although the main opponent in this hand seemed your typical ABC, bad beat whiner.

Preflop: chesspain is SB with 7[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/club.gif[/img].
UTG folds, UTG+1 folds, UTG+2 calls, MP1 calls, MP2 calls, <font color="CC3333">MP3 raises</font>, CO folds, Button folds, chesspain calls, BB calls, UTG+2 calls, MP1 calls, MP2 calls.

Flop: (12 SB) 3[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/club.gif[/img] <font color="blue">(6 players) </font>
chesspain checks, BB checks, UTG+2 checks, MP1 checks, MP2 checks, <font color="CC3333">MP3 bets</font>, <font color="CC3333">chesspain raises</font>, BB folds, UTG+2 folds, MP1 folds, MP2 folds, MP3 calls.

Turn: (8 BB) T[img]/images/graemlins/heart.gif[/img] <font color="blue">(2 players) </font>
<font color="CC3333">chesspain bets</font>, MP3 calls.

River: (10 BB) 3[img]/images/graemlins/spade.gif[/img] <font color="blue">(2 players) </font>
<font color="CC3333">chesspain bets</font>, MP3 folds.

Final Pot: 11 BB
<font color="#990066">Main Pot: 10 BB, won by chesspain.</font>
<font color="#990066">Pot 2: 1 BB, overbet by chesspain.</font>

Results in white below: <font color="white">
chesspain shows 7s 7c (two pair, sevens and threes).
Outcome: chesspain wins 11 BB. </font>