Villain here is tight aggressive. Not sure if he bluffs a lot or not.
River bet is basically a blocking bet...I didnt want to check.

PokerStars No-Limit Hold'em, $0.10 BB (9 handed) FTR converter on zerodivide.cx

UTG+1 ($5.25)
MP1 ($5.50)
MP2 ($16.25)
MP3 ($2.50)
CO ($8.90)
Button ($4.90)
SB ($13.60)
JL ($9.85)
UTG ($4.30)

Preflop: JL is BB with 5, K.
3 folds, MP2 calls $0.10, 2 folds, Button calls $0.10, SB completes, JL checks.

Flop: ($0.40) K, A, K (4 players)
SB checks, JL bets $0.3, MP2 calls $0.30, Button calls $0.30, SB calls $0.30.

Turn: ($1.60) 4 (4 players)
SB checks, JL bets $1, MP2 calls $1, Button folds, SB folds.

River: ($3.60) J (2 players)
JL bets $1.5, MP2 raises to $14.85, JL??

Final Pot: $19.95