villian seems good 18/15. I thought he was making a move so I reraised he pushed and in my usual fashion didnt think at all and instacalled. What hand would he raise here?

Party Poker No-Limit Hold'em, $ BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP ($259.08)
CO ($135.60)
Button ($159.95)
Hero ($270.15)
BB ($222.65)
UTG ($159.48)

Preflop: Hero is SB with 8, 8. Hero posts a blind of $1.
1 fold, MP calls $2, 2 folds, Hero (poster) raises to $8, BB calls $7, MP calls $7.

Flop: ($27) 4, 4, 3 (3 players)
Hero bets $18, BB raises to $45, MP folds, Hero raises to $120, BB calls $168.65 (All-In), Hero calls $93.65.

Turn: ($454.30) K (2 players, 1 all-in)

River: ($454.30) 5 (2 players, 1 all-in)

Final Pot: $454.30