Villain is 18/6/1.1

Check behind any river?

Party Poker No-Limit Hold'em, $0.25 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Button ($22.72)
SB ($26.88)
BB ($24.65)
UTG ($25)
Hero ($77.69)

Preflop: Hero is MP with A, A.
1 fold, Hero raises to $1, 2 folds, BB calls $0.75.

Flop: ($2.10) J, 9, 8 (2 players)
BB checks, Hero bets $1.5, BB calls $1.50.

Turn: ($5.10) K (2 players)
BB checks, Hero bets $3, BB calls $3.