This The Last of Us 2 Walkthrough for Chapter 9: The Farm is straightforward because it is story-based. There are 0 collectibles in this section.
Take your time exploring and looking at everything in the house. When you’re ready go talk to Dina. She’ll ask you to find Ollie. He’s on the tractor outside. Walk up and interact with it to get Ollie. With Ollie in hand, return to Dina inside.
Herd the sheep into the barn by running towards them to make them move. Once they’re all in, enter the barn to make sure they’re locked in. One of the sheep ended up out of there so walk up to it. Follow the stray sheep.
Continue on. A cutscene will play.
After Hunting
Return to the house with a rabbit in hand. You’ll have a visitor. Later that night, you’ll wake up cold. Go downstairs and close the window in the playroom where the guitar is. A series of cutscenes will play and lead into the next section: Santa Barabara – 2425 Constance.
Source: IGN.com The Last of Us 2 Walkthrough Chapter 9: The Farm