The K-1 form will be created automatically with the Trust return (1041 form) in TurboTax Business. 

The K-1 form DOES NOT get entered into TurboTax Business.  The tax return in TurboTax Business will create the K-1.

If you already have a K-1 form from a Trust, then you can enter it onto your personal tax return via the steps below. 

https://ttlc.intuit.com/replies/3301717