Villain is a hood flatter. Just looking for advice on;

1)Preflop sizing
2)Flop play

Full Tilt No-Limit Hold'em Tournament, 50/100 Blinds 10 Ante (9 handed) - Full Tilt Converter Tool from FlopTurnRiver.com

MP2 (t4568)
MP3 (t2723)
CO (t5364)
Button (t10648)
Hero (SB) (t4892)
BB (t7192)
UTG (t3190)
UTG+1 (t9672)
MP1 (t4503)

Hero's M: 20.38

Preflop: Hero is SB with AKo
3 folds, MP2 bets t300, 3 folds, Hero raises to t925, 1 fold, MP2 calls t625

Flop: (t2040) 10, 4, 8 (2 players)

Hero???