should this be an insta-fold or insta-raise

Texas Hold'em $0.25-$0.25 NL (real money), hand #1,675,347,033
Table Wiesbaden, 5 Jan 2006 07:48 PM

Seat 1: Bermax ($30.90 in chips)
Seat 2: NL1414 ($21.60 in chips)
Seat 3: freechus9 [QC,AD] ($16.05 in chips)
Seat 4: intwowin ($30.25 in chips)
Seat 5: nigg757 ($3.65 in chips)
Seat 6: bulldogarob ($21.85 in chips)
Seat 7: WhitetailMan ($48.85 in chips)
Seat 9: devious_jh ($70.85 in chips)
Seat 10: crippleton ($10.20 in chips)

ANTES/BLINDS
Bermax posts blind ($0.15), NL1414 posts blind ($0.25).

PRE-FLOP
freechus9 bets $1.25, intwowin folds, nigg757 calls $1.25, bulldogarob folds, WhitetailMan folds, devious_jh folds, crippleton calls $1.25, Bermax calls $1.10, NL1414 folds.

FLOP [board cards 10D,JC,AS ]
Bermax bets $1, freechus9 bets $3.50, nigg757 calls $2.40 and is all-in, crippleton calls $3.50, Bermax bets $20, freechus9 folds, crippleton calls $5.45 and is all-in.

What hand reraises to 20 that you beat or have odds to try to beat?

Looks like he's protecting a set or two pair so you'd be playing catchup in hope of hitting a gutshot. If you hit, you may be spliting a side pot anyway. Insta-fold.

You're drawing to maybe 4 outs here, perhaps even to split.