villain is just a tag reg, 20/18/3.5 but with no specific reads. i just dont know what the best line to take here cause i suck at playing deep.

PokerStars No-Limit Hold'em, $2 BB (6 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($424.65)
Button ($369.35)
SB ($207.65)
BB ($261.80)
UTG ($23.40)
MP ($272)

Preflop: Hero is CO with A, K.
2 folds, Hero raises to $7, Button calls $7, 2 folds.

Flop: ($17) J, 3, K (2 players)
Hero bets $12, Button raises to $40, Hero calls $28.

Turn: ($97) K (2 players)
Hero bets $70, Button calls $70.

River: ($237) 8 (2 players)
hero shoves, c/f, b/f, b/c?