Can't sync subfolders inside "Library" on MacOS 10.13.5

Hey there, I’m OP - I know this is an old issue, but I just realized I’m having a new issue. The folder within the Library that I sync’d on both computers isn’t “downloading everything” on my secondary computer, and I can’t bring up the sync options menu for that folder when right clicking. Any thoughts?

I found this, but from my understanding, this will only force the download once and will not set it to sync-“download everything” perpetually, correct?

Thanks.