What do you do with the EP flop minbet?

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

MP2 ($22.05)
Hero ($22.63)
CO ($25.86)
Button ($7.63)
SB ($27.38)
BB ($18.40)
UTG ($3.65)
UTG+1 ($33.33)
MP1 ($14.85)

Preflop: Hero is MP3 with 8, 7. SB posts a blind of $0.10.
1 fold, UTG+1 calls $0.25, 1 fold, MP2 calls $0.25, Hero calls $0.25, 1 fold, Button calls $0.25, SB (poster) completes, BB checks.

Flop: ($1.50) 5, 6, 4 (6 players)
SB bets $0.25, BB calls $0.25, UTG+1 calls $0.25, MP2 folds, Hero raises to $2.25, Button folds, SB folds, BB folds, UTG+1 folds.

Final Pot: $4.50