https://m.youtube.com/watch?v=6K1LTCNTgCE
This is for PopOS!/Ubuntu but should work for Bazzite/fedora. Make sure to change/edit the commands as necessary. I mount my second drive within the home folder so steam reads it easier but you do what you like.
Basicly the video is going to show you how to edit Fstab. Windows automatically detects second drives whereas Linux makes you add the drive to the Fstab file. Personally I wish it was as easy as windows but here we are
Good stuff to know, thanks for the reply