villain is a random 12/8 whom I have no history with. vbet or no?

PokerStars No-Limit Hold'em, $2.00 BB (9 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

MP2 ($250.30)
MP3 ($213.50)
CO ($228.20)
Hero (Button) ($319.75)
SB ($38)
BB ($200)
UTG ($163)
UTG+1 ($43)
MP1 ($40)

Preflop: Hero is Button with 10, 10
4 folds, MP3 bets $6, 1 fold, Hero calls $6, 1 fold, BB calls $4

Flop: ($19) 2, 5, 6 (3 players)
BB bets $12, 1 fold, Hero calls $12

Turn: ($43) 5 (2 players)
BB bets $26, Hero calls $26

River: ($95) K (2 players)
BB checks, Hero