Villian is playing 50/22/2. I am confused like usual. Hows the line?

Prima Poker skin
No Limit Holdem Ring game
Blinds: $0.25/$0.50
6 players


Stack sizes:
UTG: $22.87
UTG+1: $58.30
CO: $50.10
Button: $21.64
SB: $42.00
TableTiger1: $52.36

Pre-flop: (6 players) TableTiger1 is BB with
UTG folds, UTG+1 raises to $2, 3 folds, TableTiger1 raises to $9, UTG+1 calls.

Flop: ($18.75, 2 players)
TableTiger1 bets $12, UTG+1 raises to $24, TableTiger1 raises all-in $31.36, UTG+1 calls.

Turn: ($93.47, 1 player + 1 all-in - Main pot: $81.47, Sidepot 1: $12)


River: ($93.47, 1 player + 1 all-in - Main pot: $81.47, Sidepot 1: $12)


Results:
Final pot: $93.47

Looks pretty good, I can't imagine not shoving on that flop with this kinda action