If you've already filed your S Corp with TurboTax Business, yes, you can use Premier for the K-1 you need to enter on your personal return. Premier or Self-Employed online are required for entering K-1s.
And you can follow these steps to get to that portion of the interview to enter your K-1.
- Log into your account and click the orange Take me to my return button
- Type k1 in the Search box in the top right corner and choose jump to k1
- You should be taken to the page that asks Did you receive any Schedules K-1 or Q? and you can want to answer Yes there
- The next page will ask you to choose the type of Schedule K-1 that you have and you can choose Start next to the type of K-1 you received there and follow prompts.