Yes, you should amend that return to include that rental property income and expenses as you may even be able to report a loss.
When you prepare that amendment, you would want to report that on Schedule E, Income or Loss from Rental Real Estate. However, you follow the directions in the TurboTax FAQ below to both enter those rental income/expenses and prepare your amendment.
To Enter Rental Information
https://ttlc.intuit.com/replies/3288530
To Prepare Your Amendment for 2016
https://ttlc.intuit.com/replies/5114064
