The space between dishes should be allowed. Don't overload your machine. The rinse aid should be used. It reduces spotting and improves drying. The heat feature could be used. The more heat you have the better the drying. As soon as the cycle ends, open the dishwasher door a few inches. Is this true? The bottom rack has to be emptied first.
Let's Get It Fixed!
HomeX virtual experts will assess your issue (for free!) and can resolve simple problems.