Villain is 31/29 (45 hands) and positionally unaware, 3bet 28.6% (14 hands) and cbets 85% (7 hands)

$0.02/$0.05 No Limit Holdem
PokerStars
6 Players
Hand Conversion Powered by weaktight.com

Stacks:
UTG Player4 ($18.14) 363bb
UTG+1 Player5 ($15.32) 306bb
CO Player6 ($5) 100bb
BTN ImSavy ($5) 100bb
SB Player2 ($4.95) 99bb
BB Player3 ($6.98) 140bb

Pre-Flop: ($0.07, 6 players) ImSavy is BTN
3 folds, ImSavy raises to $0.12, 1 fold, Player3 raises to $0.45, ImSavy calls $0.33

Flop: ($0.92, 2 players)
Player3 bets $0.65, ImSavy raises to $1.80, Player3 raises to $2.95, ImSavy goes all-in $4.55, Player3 folds

Final Pot: $6.82

ImSavy wins $9.74 (net +$4.74)

Player3 lost $3.40

I'm basically just confused by his line, wtf do I do to his reraise?