[Closed] NL2 FR Two pair on the river against cold caller

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.01/$0.02 No-Limit Hold'em (7 handed)

Known players:
[tg]MP2$1.58:///////;MP3$0.93:///////;CO(Hero)$2.40:///////;BU$3.47:///////;SB$2.22:///////;BB$2.51:///////;MP1$0.97:///////;[/tg]

Preflop: Hero is CO with K:h, A:c.
MP1 folds, MP2 calls $0.02, MP3 folds, Hero raises to $0.10, BU calls $0.10, SB folds, BB calls $0.08, MP2 calls $0.08.

Flop: ($0.41) T:c, 9:h, 6:s (4 players)
BB checks, MP2 bets $0.02, Hero calls $0.02, BU calls $0.02, BB calls $0.02.

Turn: ($0.49) A:d (4 players)
BB checks, MP2 bets $0.02, Hero calls $0.02, BU calls $0.02, BB calls $0.02.

River: ($0.57) K:s (4 players)
BB checks, MP2 bets $0.12, Hero calls $0.12, BU folds, BB folds.

Final Pot: $0.81.

Do I have to raise on the river or calling is ok? Villain had 35vpip on 20 hands sample size, so I can put him on 78, QJ and pocketpairs.