PokerStars No-Limit Hold'em, $2 BB (8 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

SB ($201)
Hero ($200)
UTG ($96.80)
UTG+1 ($91.30)
MP1 ($234)
MP2 ($257.70)
CO ($209)
Button ($195)

Preflop: Hero is BB with A, J.
2 folds, MP1 raises to $4, MP2 calls $4, 1 fold, Button calls $4, 1 fold, Hero calls $2.

Flop: ($17) 5, J, Q (4 players)
Hero checks, MP1 checks, MP2 checks, Button checks.

Turn: ($17) 5 (4 players)
Hero checks, MP1 checks, MP2 bets $12, Button folds, Hero calls $12, MP1 folds.

River: ($41) A (2 players)
Hero bets $24, ...

No stats on villain. Is it reasonable to bet/fold this river?