You don't include their income on your return. It would only go on their return if they are required to file one. To file a separate return for your dependent you need to set up a new account. Online is only good for one return per account. You can use the same email address for 5 accounts. They can probably use the Free Edition. How to start a new online return
Https://ttlc.intuit.com/questions/1894512-how-do-i-start-another-return-in-turbotax-online
Or the Free File website. In order to use the Free File program, you have to start it at a special website. Click on the Orange button I Qualify, Let's get Started
https://freefile.intuit.com/
Be sure on their return they check the box that says they can be claimed on someone else’s return.
