SB:228.2 bb
BB: 233.3 bb
UTG:269.4 bb
MP: 325.3 bb
CO: 273.9 bb
Hero (BTN): 243 bb

SB posts 0.5, BB posts 1.

Pre Flop: (pot: 1.5) Hero has Ac Ad
UTG raises to 3.00, fold, CO calls 3.00, Hero raises to 14.00, SB calls 14.00, fold, UTG calls 14.00, CO calls 14.00

Flop: (55 bb, 4 players) 2s Jd 3h
SB checks, UTG checks, CO checks, Hero bets 18, SB calls 18, 2 folds

Turn: (92 bb, 2 players) 6s
SB checks, Hero bets 55 bb, SB calls 55 bb

River: (202 bb, 2 players) Jc
SB bets 142 bb and is all-in, Hero ???

How would u play this spot? Small sample on SB but he seem to be some nitty fish. His stats were 29/0/0 over 70 hands... I just hate my life on this river and I wouldn't be surprised if villain only does this with trips or better. I have no idea if I should call river.