PokerStars No-Limit Hold'em, $1.00 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP ($106.05)
Hero ($98.50)
Button ($33)
SB ($88.20)
BB ($71.50)
UTG ($148.25)

Preflop: Hero is CO with A, K.
2 folds, Hero raises to $4, 1 fold, SB calls $3.50, 1 fold.

Flop: ($9) 4, 8, K (2 players)
SB checks, Hero bets $6.5, SB calls $6.50.

Turn: ($22) A (2 players)
SB checks, Hero bets $17, SB calls $17.

River: ($56) T (2 players)
SB bets $20, Hero folds.

Final Pot: $76


Villain is unknown. Do pot odds dictate a call, or was this laydown good?