I know I messed up here, but where?

[durron597]

I put the guy on a steal preflop, he had done it before; though I didn't try to catch him that time.

Seat 1: Chris Mer ($4,022 in chips)
Seat 2: durron597 [ QD,9D ] ($2,345 in chips)
Seat 4: smoothace ($3,673 in chips)
Seat 5: jdog2004 ($2,230 in chips)
Seat 7: glennard2 ($2,730 in chips)

ANTES/BLINDS
Chris Mer posts blind ($50), durron597 posts blind ($100).

PRE-FLOP
smoothace folds, jdog2004 folds, glennard2 folds, Chris Mer bets $200, durron597 calls $150.

FLOP [board cards 8H,QC,3C ]
Chris Mer bets $200, durron597 bets $750, Chris Mer bets $3,572 and is all-in, durron597 calls $1,345 and is all-in.