The only cheese-maker maker actually in Cheddar, Somerset is the Cheddar Gorge Cheese Company, founded in 2003 (extant as of 2011.) They make their cheddar using unpasteurised milk from local cows. The cheese is aged in rounds wrapped in linen, to allow it to breathe as it ages for up to a year.
The definition of a hooker is a slang term for a prostitute or someone who exchanges sex for money.
On a related note, the hooker thing has been played to death in this show. House parading a string of hookers through his office as he interviews them for a replacement for his favorite about-to-retire hooker is outlandish, even for House.