Turn line check

Texas Hold'em $0.25-$0.50 NL (real money), hand #578,083,710
Table Annaba, 7 Jun 2006 11:36 PM ET

Seat 1: nietnomore ($17.25 in chips)
Seat 2: cardsman1974 [ 6C,6H ] ($28.05 in chips)
Seat 3: ShadyShea ($47.75 in chips)
Seat 4: Barfly00 ($71.60 in chips)
Seat 5: SAOFENG888 ($6.70 in chips)
Seat 6: asgarazar ($7.40 in chips)
Seat 7: Tobinho2 ($8.15 in chips)
Seat 8: catch16 ($29.35 in chips)
Seat 9: dogdigger ($24.75 in chips)
Seat 10: mendelevium ($26.15 in chips)
ANTES/BLINDS
Tobinho2 posts blind ($0.15), catch16 posts blind ($0.25).

PRE-FLOP
dogdigger folds, mendelevium folds, nietnomore folds, cardsman1974 calls $0.25, ShadyShea bets $1, Barfly00 folds, SAOFENG888 folds, asgarazar folds, Tobinho2 folds, catch16 folds, cardsman1974 calls $0.75.

FLOP [board cards KC,10S,8H ]
cardsman1974 checks, ShadyShea checks.

TURN [board cards KC,10S,8H,3S ]
cardsman1974 bets $2, ShadyShea bets $5, cardsman1974 bets $10, ShadyShea bets $41.75 and is all-in, cardsman1974 folds.

Dump to the first raise? Push? What does he have? I am convinced I am behind, but mostly concerned if I should have reraised him.....and I should have probably made it $15, as well...