low set on flop.. has to b a fold on flop right?

***** Hand History for Game 3006561740 *****
$200 NL Texas Hold'em - Wednesday, November 09, 01:24:43 EDT 2005
Table Table 68951 (6 max) (No DP) (Real Money)
Seat 6 is the button
Total number of players : 6
Seat 1: chad51377 ( $57.25 )
Seat 2: TAO75555 ( $172.50 )
Seat 4: juantonamera ( $242.30 )
Seat 6: Warehouse340 ( $258.24 )
Seat 3: NiRRRR ( $195 )
Seat 5: fofooofooofo ( $118.44 )
chad51377 posts small blind [$1].
TAO75555 posts big blind [$2].
** Dealing down cards **
Dealt to NiRRRR [ 6d 6s ]
NiRRRR calls [$2].
fofooofooofo calls [$2].
Warehouse340 folds.
chad51377 raises [$3].
TAO75555 calls [$2].
>You have options at Table 65958 (6 max) Table!.
NiRRRR calls [$2].
fofooofooofo calls [$2].
** Dealing Flop ** [ 7h, 6c, 8c ]
chad51377 bets [$4].
TAO75555 calls [$4].
NiRRRR raises [$15].
fofooofooofo folds.
chad51377 raises [$22].
nirrrr?????

has to b a fold right? just sat down.