Boil large pot of water for pasta and cook according to package instructions, then drain and rinse.

While water is coming to a boil, cook the bacon and chop remaining ingredients. In a small bowl, mix together the ranch dressing and milk.

To assemble, in a large bowl combine the cooked pasta, bacon, cheese, tomatoes, broccoli, and ranch mixture. Season to taste with black pepper. Cover and chill until ready to serve.