Several of the animals have health issues, according to a nonprofit organizing the fundraising effort.
The Danbury Police Department's Animal Control Unit is looking for the owner of and unchipped dog found near Rogers Park Middle School.
Residents are subject to fees and fines if their dogs are not licensed.
The male pup has no collar, tags or microchip, according to Danbury Animal Control.
The Bethel-based Danbury Animal Welfare Society will be fielding nine dogs in the nationally televised event on Super Bowl Sunday.
A misdemeanor summons was issued to the man after New Canaan police had to break into the vehicle to get the dog out.
Police say the driver of a "quad" all-terrain vehicle struck and killed the animal on Jackson Drive in Danbury.
This is the second year that DAWS will be represented in the Animal Planet network's annual canine competition.
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