Grinding first gear

To begin telling my issue with my car I would have to to tell you what I did that began the issue I am having. My car is lowered. I have coil overs in the front and cut springs in the back. I ran over a parking block and it made the worst noise. I got stuck going forward and backed out. At the time I smelled a terrible burning smell. Smelled like a burnt clutch. I continued with my day and the car was fine. The next day I noticed it was very hard to go into gears I kept driving to the point it did not want to go into gears period. I took it to family friend that works on cars. He said I needed a new clutch and my master slave cylinder went out. All the repairs have been made but I am having an issue with my first gear. Not all the time but maybe every few stops I feel the gear nob jump going into first and I hear a grinding noise. I do not know if maybe it was not bled right or the clutch was not adjusted properly. Or maybe one of the synchros went out or I just need more fluid?