[Closed] SH 0.50/1.00 AJo

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.5/$1 Fixed-Limit Hold'em (5 handed)

Preflop: Hero is CO with J:d, A:s.
MP3 folds, Hero raises, BU calls, SB folds, BB calls.

Flop: (6.5 SB) K:s, A:c, 7:h (3 players)
BB checks, Hero bets, BU calls, BB calls.

Turn: (4.75 BB) 6:s (3 players)
BB checks, Hero bets, BU folds, BB calls.

River: (6.75 BB) 6:d (2 players)
BB bets, Hero calls.

Final Pot: 8.75 BB.
Villain 29/24/48/1.5 - 320 hands. River sucks, villain insta, insta,insta bets like a total monkey. I tough he is somehow reasonable, little bit on the passive side and is either slowplaying some flopped set, or hits a 6. Should I reraise his river instabet?