PokerStars No-Limit Hold'em, $0.10 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG ($2.60)
UTG+1 ($9.85)
MP1 ($5.85)
MP2 ($5.25)
CO ($4.25)
Button ($6.10)
SB ($1.90)
Hero ($6.75)

Preflop: Hero is BB with 9, 7.
UTG raises to $0.2, 2 folds, MP2 calls $0.20, CO calls $0.20, 2 folds, Hero calls $0.10.

Flop: ($0.85) 4, 5, 8 (4 players)
Hero checks, UTG bets $0.4, MP2 calls $0.40, CO folds, Hero calls $0.40.

Turn: ($2.05) 3 (3 players)
Hero checks, UTG checks, MP2 bets $1,

Hero??