PokerStars No-Limit Hold'em, $1.00 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($164.35)
UTG ($298.05)
MP ($242.65)
CO ($95.50)
Button ($128.65)
SB ($96)

Preflop: Hero is BB with J, J.
4 folds, SB raises to $4, Hero raises to $14, SB calls $10.

Flop: ($28) 4, 6, 4 (2 players)
SB checks, Hero bets $17, SB raises to $41, Hero ???

---

Villian seems like a possible nit - he's 16/9/1.5 over about 35 hands.

What's your play here?