How the heck are you expecting this to rank for anything?

> On that page I have good canonical URL, pagination, rich text, SEO text, links to similar pages, all the standard stuff.

Here's what I see when I load that URL:

https://imgur.com/a/cEffh4U

I see absolutely nothing like what you describe on that page.

Meta description: Find great restaurants in Sallybrook on menucosm.com Meta title: Restaurants in Sallybrook

Really?

And if the area search is so valuable on the Johnny's Diner page why are you linking to it and not making it a primary focus of the page?