PokerStars No-Limit Hold'em, $0.50 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($51.50)
UTG ($46.80)
MP ($52.45)
Button ($49.55)
SB ($50.90)

Preflop: Hero is BB with 2, T.
2 folds, Button calls $0.50, 1 fold, Hero checks.

Flop: ($1.25) 5, 2, 2 (2 players)
Hero bets $1, Button raises to $5, Hero calls $4.

Turn: ($11.25) 5 (2 players)
Hero ???

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No reads at all on the Villian.

What's your turn play here, and how do you like the flop move?