Can I bet the turn or call the river here?

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PokerStars No-Limit Hold'em, $0.25 BB (9 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

MP1 ($5.10)
MP2 ($7.05)
MP3 ($8.65)
CO ($25.35)
Button ($21.80)
SB ($14.65)
BB ($13.20)
Hero ($31.40)
UTG+1 ($16.75)

Preflop: Hero is UTG with , .
Hero raises to $1, 2 folds, MP2 calls $1, 4 folds, BB calls $0.75.

Flop: ($3.10) , , (3 players)
BB checks, Hero bets $2.5, MP2 folds, BB calls $2.50.

Turn: ($8.10) (2 players)
BB checks, Hero checks.

River: ($8.10) (2 players)
BB bets $4, Hero?