I taught a class on chicken incubation several years ago. To prepare for it, I incubated and hatched several sets of chicks.
In the process, I learned a lot about the hobby of raising backyard chickens.
I am not a chicken expert, but I found a lot of information available on the Web. The most helpful were the hobbyist discussion forums.
Here are three I visited:
A local group began regular meetings in 2009. You could make lots of friends there.
Atlanta Pet Chickens
In addition, Backyard Poultry magazine gives a monthly update on poultry raising topics.
If you live in DeKalb County, here are the rules for having chickens: Chickens in DeKalb County