green onion, garlic, and other things.Wiki relates that, since 1992, Ranch dressing has been the best-selling dressing in the United States surpassing Italian dressing (which, it should be noted, bears absolutely zero resemblance to what Italians put on their salads).It???s called Ranch dressing thanks to Steve and Gayle Henson who, in 1954, opened Hidden Valley Ranch (near Santa Barbara).