To dream of full pails of milk, is a sign of fair prospects and pleasant associations.
An empty pail is a sign of famine, or bad crops.
Dreaming of an empty pail can denote so many things, all of which are adverse; from hunger to loss.
A full pail is a good omen of merit showing all manner of good things from love to money is about to enter your life. If the contents is milk then are you assured of domestic tranquility.