You're required to report any income.
I'm afraid you'll be required to upgrade your program from Free Edition. But see the information below with instructions on how to enter your wife's income.
https://ttlc.intuit.com/replies/4801198
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***