Curious to get some opinions on how I played this hand. It started out innocently enough and ended up massive. I start out semi-bluffing with a check/raise and end up scare-card bluffing...

No Limit Holdem Ring game
Blinds: $0.25/$0.50
9 players

No read on this opponent. My table image was rock if anything.

Pre-flop: (9 players) Hero is BB with
UTG calls, 7 folds, 7 folds, Hero raises to $1.5, UTG calls.

Flop: ($3.25, 2 players)
Hero checks, UTG bets $1, Hero raises to $3.5, UTG raises to $6, Hero raises to $12, UTG calls.

Turn: ($27.25, 2 players)
Hero is all-in $57.5,

Opponent has $23 dollars remaining when I'm all in. Results in white:

UTG folds.
Uncalled bets: $57.5 returned to Hero.

Results:
Final pot: $27.25