Hidden Valley Ranch dressing!!!! PLEASE HELP!!!!!!?

I threw away the top of the packet (the part with the instructions) of the original hidden valley ranch dressing and I know that I need mayo and milk, but i don't know how much I need!!!!!!!!
Update: I tried going to their site and I didn't find anything please help!
Update 2: Thanks you guys, especially the people who gave me the ingredients!
Update 3: For the people that gave me ingredients you all got at least 1 thumbs up.
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