11 early game mistake?

10+1 Party
Level:1 Blinds(10/15)

Seat 9 is the button
Total number of players : 9
Seat 9: lovn_life41 ( $895 )
Seat 4: bearfan5451 ( $1785 )
Seat 1: HERO( $790 )
Seat 7: prettybabie1 ( $805 )
Seat 10: FeltFiend ( $870 )
Seat 6: UCMANB ( $155 )
Seat 2: TXTENNISPRO ( $755 )
Seat 8: leskonty ( $1230 )
Seat 3: PeckTheWreck ( $715 )

** Dealing down cards **
Dealt to HERO[ Q [img]/images/graemlins/diamond.gif[/img] J [img]/images/graemlins/diamond.gif[/img] ]
TXTENNISPRO calls [15].
PeckTheWreck folds.
bearfan5451 folds.
UCMANB folds.
prettybabie1 calls [15].
leskonty folds.
lovn_life41 calls [15].
FeltFiend calls [5].
HERO checks.

** Dealing Flop ** [ 3 [img]/images/graemlins/diamond.gif[/img], T [img]/images/graemlins/diamond.gif[/img], J [img]/images/graemlins/club.gif[/img] ]
FeltFiend checks.
HERO checks.
TXTENNISPRO bets [150].
prettybabie1 folds.
lovn_life41 folds.
FeltFiend folds.
HERO raises [300].
TXTENNISPRO is all-In [590]
HERO calls [440].

Pretty bad cEV. What should I have done?

Ty in advance, Brian