Welcome to BYC - good to hear from someone else in NJ.
This is a great community with lots of knowledgeable people able to answer any questions you may have.
Happy to have you here with us. Enjoy your time here at BYC!
As @sourland , said, "get another one incase one dies. And get a bigger brooder that one looks a little small for 2 chicks that size, 3 chicks would be even more crowded.