facing short stack shove, calling range vs. spewing chips

[tuckercat]

standard spot vs. short stack donk, i'm looking for comments and suggestions on calling ranges in these spots, in particular... is this too spewy? how many think this is marginal?... comments, as always are much appreciated.

Full Tilt Poker - No Limit Hold'em Cash Game - $3/$6 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $174.70
BB: $301.00
UTG: $341.15
MP: $708.75
Hero (CO): $906.85
BTN: $695.90

Preflop: Hero is dealt 9[img]/images/graemlins/club.gif[/img] 9[img]/images/graemlins/spade.gif[/img] (6 Players)
UTG calls $6.00, MP folds, <font color="red">Hero raises to $21.00</font>, BTN folds, <font color="red">SB raises all-in to $174.70</font>, 2 folds, Hero calls $153.70