The villain is an unknown player.
The unknown part makes it really tough to play this hand.
PokerStars - $0.16 NL (6 max) - Holdem - 6 players
Hand converted by PokerTracker 4
CO: 38.19 BB
BTN: 118.94 BB
Hero (SB): 100 BB
BB: 98.63 BB
UTG: 108.56 BB
MP: 239 BB
Hero posts SB 0.5 BB, BB posts BB 1 BB
Pre Flop: (pot: 1.5 BB) Hero has J♥ J♦
UTG raises to 3 BB, fold, CO calls 3 BB, fold, Hero raises to 14 BB, fold, UTG raises to 33.5 BB, fold, Hero calls 19.5 BB
Flop: (71 BB, 2 players) 4♠ 2♥ 4♥
Hero checks, UTG bets 67.81 BB, Hero ???
Thoughts?