This is the Home and Business product

If you are filing a joint return AND you have the Self Employed Online version then you should be able to add a Sch C and indicate it was for the spouse ...  

How to enter income from Self Employment

https://ttlc.intuit.com/community/self-employed/help/how-do-i-report-income-from-self-employment/00/...

In the H&B version look for the Sch C in the Business tab. 

You can just type Schedule C into the search bar at the top of your return and it should give you a JUMP TO link to go directly to it.

To add another business or Schedule C….

Go to Business tab-Continue

Business Income and Expenses

Profit or Loss from Business, click Start or Update.  

You should see the Business Summary page that lists your businesses, right below the list you can Add Another Business.

Be sure to add it under the right spouse if you are married.