Villain is 64/5 over small sample. No reads. Turn action?

Seat 2: SB ($180.00 in chips)
Seat 4: BB ($1,000.00 in chips)
Seat 7: UTG ($2,891.10 in chips)
Seat 8: HERO [ KD,KS ] ($1,093.50 in chips)
Seat 9: BUTTON ($993.00 in chips)
ANTES/BLINDS
SB posts blind ($5), BB posts blind ($10).

PRE-FLOP
UTG folds, HERO bets $35, BUTTON calls $35, SB folds, BB calls $25.

FLOP [board cards 10D,7C,8C ]
BB checks, HERO checks, BUTTON checks.

TURN [board cards 10D,7C,8C,2S ]
BB checks, HERO bets $75, BUTTON folds, BB bets $300, HERO...?