FTOPS 1 tough spot JJ oop

[jvans]

ok i played the hand like crap but i really dont what to do in this spot. if i bet flop im committed and my play was obviosly really weak.
Full Tilt Poker
Full Tilt Poker
No Limit Holdem Ring game
Blinds: $100/$200
6 players
Converter

Stack sizes:
UTG: $7315
UTG+1: $3525
CO: $6650
Button: $4478
Hero: $4260
BB: $4100

Pre-flop: (6 players) Hero is SB with J[img]/images/graemlins/spade.gif[/img] J[img]/images/graemlins/club.gif[/img]
2 folds, <font color="#cc0000">CO raises to $500</font>, Button folds, <font color="#cc0000">Hero raises to $1500</font>, BB folds, CO calls.

Flop: 3[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/heart.gif[/img] ($3200, 2 players)
Hero checks, CO checks.

Turn: 3[img]/images/graemlins/heart.gif[/img] ($3200, 2 players)
Hero checks, <font color="#cc0000">CO bets $1000</font>, Hero calls.

River: 3[img]/images/graemlins/diamond.gif[/img] ($5200, 2 players)
Hero checks, <font color="#cc0000">CO is all-in $4150</font>, Hero folds.
Uncalled bets: $4150 returned to CO.

Results:
Final pot:$5200


no reads only played a few hands wit him
i think my biggest mistake was on the turn i should have either folded or called the river bet. what do ppl do here?