I just sat down at the table, so no read on opp. Only hand I could put opp on when he reraised me allin on the flop, was JJ, wich I didnt found very likely.
Is this is a instacall in NL 25, or am I throwing my money away when not thinking twice about his allin and then maybe fold?

Party Poker No-Limit Hold'em, $ BB (10 handed) FTR converter on zerodivide.cx

CO ($37.95)
Button ($6.50)
Hero ($23.55)
BB ($91.15)
UTG ($35.60)
UTG+1 ($42.83)
UTG+2 ($10.32)
MP1 ($4.65)
MP2 ($33.35)
MP3 ($27.40)

Preflop: Hero is SB with A, A. Hero posts a blind of $0.10.
4 folds, MP2 calls $0.25, 1 fold, CO raises to $1, 1 fold, Hero (poster) raises to $2.9, 1 fold, MP2 folds, CO calls $2.

Flop: ($6.50) J, 9, 6 (2 players)
Hero bets $4, CO raises to $20.55, Hero calls $16.55 (All-In).

Turn: ($47.60) 6 (2 players, 1 all-in)

River: ($47.60) 3 (2 players, 1 all-in)

Final Pot: $47.60