Last one from me today, I promise! Opp's HUD stats were 24/8 over a very small sample size (25 hands). Does anybody just flat call the flop or do you re-raise every time?

PokerStars No-Limit Hold'em, $0.50 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP1 ($77.35)
MP2 ($42.80)
MP3 ($50.30)
CO ($6.40)
Button ($72.80)
SB ($50.25)
BB ($46.05)
UTG ($29.25)
Hero ($50)

Preflop: Hero is UTG+1 with 4, 4.
1 fold, Hero raises to $2, 2 folds, MP3 calls $2, 1 fold, Button calls $2, 2 folds.

Flop: ($6.75) 3, 4, 7 (3 players)
Hero bets $4, MP3 folds, Button raises to $10, Hero raises to $20