I don’t remember anything about this dream beyond the premise stated in the title.
That said, here are some random pictures of Lori Petty and Michael MadsenĀ of Free Willy.
(source: Gage Skidmore | CC)
(source: Florida Supercon | CC)
I believe that the drinking was taking place now, as opposed to when Free Willy was released, which makes these pictures all the more prescient.