Villain is 75/0 so far, yet only 12 hands so basically unknown.

Does anyone prefer calling > raising?

PokerStars No-Limit Hold'em, $0.25 BB (8 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

SB ($5)
BB ($21.55)
UTG ($5.20)
UTG+1 ($16.05)
MP1 ($5.50)
MP2 ($5.50)
Hero (CO) ($25)
Button ($28.80)

Preflop: Hero is CO with K, K
1 fold, UTG+1 calls $0.25, 2 folds, Hero bets $1.25, 3 folds, UTG+1 calls $1

Flop: ($2.85) 5, 9, A (2 players)
UTG+1 bets $0.50, Hero raises to $2, UTG+1 calls $1.50

Turn: ($6.85) 4 (2 players)
UTG+1 checks, Hero checks

River: ($6.85) 6 (2 players)
UTG+1 bets $0.50, Hero calls $0.50

Total pot: $7.85 | Rake: $0.35