Yes, you can amend your 2016 tax return to by adding the 1099 however you would not file the 1099 on your 2017 tax return. You are required to file the 1099 in the tax year that is listed on the form.
TurboTax will allow you to start and complete the amendment online but you will have to print and mail in the amendment because the IRS does not allow amendments to be electronically filed.
However, If you do decide to amend your return then
you can follow the directions listed below:
https://ttlc.intuit.com/replies/3318732