50nl KTo in single raised pot

Villian is 41/24/42 3.1 agg
Seems std until river. River seems like a bet/fold against this villian?

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.25/$0.5 No-Limit Hold'em (5 handed)

Known players:
[tg]SB$51.00:///////;BB$32.83:///////;MP3$75.55:///////;CO (Hero)$50.00:///////;BU$58.93:///////;[/tg]

Preflop: Hero is CO with K:d, T:c.
MP3 folds, Hero raises to $1.50, 2 folds, BB calls $1.00.

Flop: ($3.25) 5:d, T:s, 2:c (2 players)
BB checks, Hero bets $2.00, BB calls $2.00.

Turn: ($7.25) 7:c (2 players)
BB checks, Hero bets $4.00, BB calls $4.00.

River: ($15.25) 6:h (2 players)
BB checks, Hero bets $7.50, BB raises to $25.33(All-In), Hero folds, BB gets uncalled bet back.

Final Pot: $22.75.