Villain 22/18/1.5 over 73 hands. No other info.

A few questions for this standard situation;
1- Would you b/f or b/c the river?
2a- If you b/f, do you like an other river betsizing?
2b- If you b/c around what odds is your breaking point for b/f-ing?

PokerStars No-Limit Hold'em, $0.25 BB (4 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

BB ($25)
Hero (UTG) ($32.45)
Button ($25)
SB ($32.05)

Preflop: Hero is UTG with 3, 3
Hero bets $0.75, Button calls $0.75, 2 folds

Flop: ($1.85) 3, 10, K (2 players)
Hero bets $1.50, Button calls $1.50

Turn: ($4.85) 9 (2 players)
Hero bets $4, Button calls $4

River: ($12.85) 6 (2 players)
Hero bets $8, Button raises to $18.75 (All-In)