What helps immensely with booklet printing is to set a Print Preset for your booklet page size. There, you can set all your options ahead of time (including the Print Blank Pages option). Then when you go to Print Booklet, you select that Print Preset. Here is an example for my own printer (which is Postscript-based so the available options for your own printer will be different.
This is assuming in your situation that you are not printing bleeds or printer's marks.
If you are printing to a non-Postscript printer, a better quality might be achieved by saving the Booklet as a PDF, but that's not as easy as it should be (especially on a Mac), but only a couple of extra steps which we can go into later.