Dressy casual. You may need to walk a block or two depending on parking so wear shoes you are comfortable in.
At dinner, non-alcoholic drinks are included. Alcoholic drinks can be ordered and paid for individually. At Cady Club for the reception, there's open bar for wine, wine-based cocktails, beer, and coffee. They do not have a liquor license so no liquor will be served at the bar.
Yes, they are all within a mile of each other. However, they are far enough that you may want to drive to each location. It would be efficient to park and carpool due to limited parking in the area.
No. Since we are not having a wedding party, we are not hosting a rehearsal dinner.