Just a few simple questions... I hope

[AmyQ19]

I just have a few questions about joining a sorority that I haven't read the answers to....
Can I get referred to by my StepDad's sister, can she count as an Aunt? She was a Delta Delta Delta in a completely different state, but is a very active alumni. And I know she would be thrilled if I told her I was interested in joining a sorority.
~Another thing... I need to meet new people, and make new friends, I'll be transferring as a 19 yr old Junior to the University of South Florida in January, and hope to be able to attend RUSH, is that possible for there to be a spring Rush ? How do I find out?
If there is anyone that can help me, I'd appreciate it!! Thank you!!!