As you probably already know, New York adoption records are confidential and under court seal. An adoptee who was born or adopted in New York, the birth parents or biological siblings can register with the Adoption Information Registry to obtain certain kinds of information.
However probably the best thing to do is to wait for your DNA results. There is a good article "Finding Your Birth Family with DNA", Family Tree Magazine, 12/17. You can do a Google search for it and read it for free.
Also the web site DNA Detectives provides good info about DNA tests. Successful SEarching!