77 in CO at 1/2 NL (Bad Play?)

My first post so may not be proper format, sorry.
PLEASE TELL ME IF I PLAYED THIS WRONG AND HOW YOU WOULD PLAY THE HAND. THANKS.
At a 9 handed 1/2NL table, my 4th hand of session so not familiar with table, however from the 4 hands i saw lots limped to see the flop.

BUTTON - $150
SB - $75
BB - $140
UTG - $175
EP - $230
MP1 - $160
MP2 - $190
LP - $200
CO - (hero) - $150 7 [img]/images/graemlins/heart.gif[/img]7 [img]/images/graemlins/diamond.gif[/img]

SB and BB post $1 and $2 respectively. UTG folds, EP limps, MP1 limps, MP2 limps, LP folds, CO(hero) limps, button folds, SB calls, BB checks.
POT SIZE: $12
Flop: 7 [img]/images/graemlins/club.gif[/img]9 [img]/images/graemlins/spade.gif[/img]2 [img]/images/graemlins/heart.gif[/img]

ACTION: EP bets $7, MP1 folds, MP2 folds, HERO RAISES to $14, SB folds, BB folds, EP RERAISES to $25, HERO CALLS $11 more.

TURN BOARD: 7 [img]/images/graemlins/club.gif[/img]9 [img]/images/graemlins/spade.gif[/img]2 [img]/images/graemlins/heart.gif[/img] 4 [img]/images/graemlins/diamond.gif[/img]

ACTION: EP bet $20, HERO raises $20, EP reraises $20, HERO goes all in, ~$80 more, EP calls.

RIVER BOARD: 7 [img]/images/graemlins/club.gif[/img]9 [img]/images/graemlins/spade.gif[/img]2 [img]/images/graemlins/heart.gif[/img]4 [img]/images/graemlins/diamond.gif[/img] Q [img]/images/graemlins/spade.gif[/img]



RESULTS BELOW (DO NOT READ UNTIL AFTER YOU POST YOUR OPINION PLEASE):

<font color="white"> </font> HERO shows 777
EP shows 999
EP wins pot with 999