Late summer, early fall is an ideal time to plant trees and shrubs. You won't lose them to heat stress, and they'll have time to grow roots before the ground freezes.
Don't plant a Bradford Pear.
Bradford Pear: A Mixed Blessing in the Landscape
I'm partial to Dogwood trees, but they are quite wide in maturity.
Why Use Improved Hybrid Dogwood Trees?: Rutgers Licensing and Technology: Agricultural Products
I'd plant a Ben Franklin Tree.
Ben Franklin Tree-- Franklinia alatamaha - Plant Palette - University of Illinois Extension serving Dewitt, Macon and Piatt Counties
It'll never get too tall. They flower late season. You'll be the only person in your neighborhood who has one.
I found a nice single trunk at RareFind Nursery in Jackson.
You live at the edge of the Pine Barrens. Your planting zone is 6a or 7 and your soil is probably acidic.
You might want to also post this in the Garden Forum.