In the Personal Info section, you will indicate that you have income from another state on your return, see image attached. Adding this to the federal return will trigger a non-resident return for IA. When you do the state returns for IA and your home state, you will be given the opportunity to allocate your income between states. Do the Iowa return first, allocate all of the K-1 income to IA and then on your home state return and allocate $0.
