ville18 is LAggy.

Party Poker No-Limit Hold'em, $ BB (6 max, 5 handed) converter

MP ($30.05)
Hero ($67.65)
SB ($21.09)
ville18 ($61.8)
UTG ($21.15)

Preflop: Hero is Button with A, A. SB posts a blind of $0.1.
UTG calls $0.25, MP calls $0.25, Hero raises to $2, 1 fold, BB (ville18) calls $1.75, UTG folds, MP folds.

Flop: ($4.60) 4, J, 3 (2 players)
ville18 checks, Hero bets $5, ville18 raises to $10, Hero...........

What do you do here and why?