Hi Brittany,
I've got the same type of fridge myself, and it looks like a lot of us have run into this same problem. Rather than repeat the whole post, here's a link to what I encountered and how I fixed it.
[post|738754|SOLVED: Top shelf not getting cold - Ge Profile refregerator - iFixit|new_window=true]
This is a picture taken from the parts list for your specific fridge. I've marked the fan that failed on mine on the image.
[image|2730581]
Hope this helps! Good luck with your repair; let us know how it goes.