Final answer:
Wishbone blue cheese dressing contains the highest levels of calories and fat among the given options.
Step-by-step explanation:
The salad dressing that contains the highest levels of calories and fat among the given options is Wishbone blue cheese dressing.
Blue cheese dressing is typically made with a base of mayonnaise or sour cream, which are high in fat and calories. It also contains blue cheese, which is a rich source of fat.
Compared to the other dressing options, such as olive oil vinegar or regular ranch, blue cheese dressing usually has a higher calorie and fat content.