Quick Google: Dry cottage cheese means you want the curds but not the whey and no extra liquid. It says you can rinse regular cottage cheese in a colander, possibly squeeze it out with a cheesecloth, and let it air-dry before adding to your recipe. read more
A: Dry curd cottage cheese is pretty much regular cottage cheese without the addition of cream or milk. When milk is overheated or has an acid added to it, it can curdle. When milk curdles, it separates in curds and whey. read more