Question

I’ve wired a fan with 2 switches for the fan and light to be separate, but the fan I bought can’t be wired that way. I ran a 14/3 romex to the fan from both switches. I’m going to use the black hot wire for the fan. Can I use the red hot wire for another fan. I ran another 14/2 romex from the original fan to where I want the other fan. Is there any issue with sharing the neutral and ground from that 14/3 with the original fan?