Make sure you're logged in to the Creative Cloud. Go to the Creative Cloud desktop app (menu bar on the Mac, task bar in Windows). Click the "gear" icon > Preferences > General > Sign Out. Then Sign In with your Adobe ID.
Please try the workflow as mentioned by Steve.
If that doesnot work, can you please elaborate what is the exact issue. Are you getting any error when clicking on Publish Online button or while document is publishing...