Ah... That's my William.
4 seconds sound clip from the Back to the Future Part III movie soundboard.
You can hear this line at 00:25:06.555 in the DVD version of the movie.
Quote context
[...]
- I'll tell you what I'll do, Mr. Eastwood.
- I'll help you find your blacksmith friend.
- Oh. Yes. I think you'll find the barn comfortable. Never had any complaints about it from the pigs.
- Aye.
- Will you hold him for a minute?
- Are you sure you're not after bringing a curse on this house taking him in like that?
- He's such a strange young man.
[...]