Villain just sat down, but he's a goldstar so i figure he's played a bit before.

NL Holdem $0.25(BB) Poker Stars
SB ($75.83)
BB ($16.40)
Hero ($27.16)
UTG+1 ($61.20)
CO ($34.78)
BTN ($47.64)

Dealt to Hero

Hero raises to $1, fold, fold, fold, fold, BB calls $0.75

FLOP ($2.10)

BB checks, Hero bets $1.65, BB calls $1.65

TURN ($5.40)

BB checks, Hero bets $3.75, BB calls $3.75

RIVER ($12.90)

BB bets $10 (AI),

I think KQ and sets of 2s/4s are in the value range of this shove...he might also be shoving some AJhh type hand...call or fold?