Saturn starter

I have a 1999 saturn sl. I have had some issue lately that when I turn the key it does not turn over. I do it again and it goes. I just figured I didn't have the clutch on the floor. I did not pay it any mind. Last night I was in a hurry, I went up to the c-store real quick went to turn my car off, realized I forgot my purse and quickly turned the key back on. It made a grinding sound like when you try to start it when it is already running. I lost all power immediately. I tried to start it, I got nothing. I had someone come jump me, when hooked up to his vehicle I had full power again. I tried to start it, it made the grind or growl noise and nothing. Did I fry my starter? And how much do you think it should cost to fix it? Please and thank you