This practice is a response to American consumer preferences, where there is a psychological advantage to purchasing clothing in a seemingly smaller size, thus making US sizes generally larger than those in Europe for the same nominal size label
Things to Bring With You Supplied by the University Allowed Items Not Permitted- Do Not Bring Suggested Items for the Commons, Quads, & East Campus Window & Wall Decor For a full list of dress code regulations and other policies for on-campus living, please consult the Liberty Way and the On-Campus Living Guide (PDF)
Greek yogurt is pretty thick, so you can thin out the ranch with a little water, starting with a tablespoon or two at a time
In fall, consider pairing your dress with rich, warm tones like burgundy or mustard to reflect the changing leaves
Hopefully now you've got a better education and understanding on how to properly apply