Shorty all-in and a has a caller. Fold CAll or move in with 99?

shorty has been pushing a lot.

NL Texas Hold'em $50 Buy-in + $5 Entry Fee Trny:17916097 Level:8 Blinds(200/400) - Friday, December 02, 13:35:16 EDT 2005
Table Table 67812 (Real Money)
Seat 3 is the button
Seat 6: nickianthony ( $5160 )
Seat 1: NickyOD ( $3050 )
Seat 3: badbeats_com ( $1790 )
Trny:17916097 Level:8
Blinds(200/400)

Dealt to NickyOD [ 9c 9s ]

badbeats_com is all-In [1790]
nickianthony calls [1590].
NickyOD ??????