to the forum Kmhayes1110!
Your tree is a Southern Magnolia and looks like 'Little Gem'.Magnolias hate having their roots disturbed and ice storms aren't their faves either, so yours got a double whammy. How long ago did the construction happen? If it's just this year then wait to do anything. If it was last year, go ahead and give it a dose of Miracle-Gro. Typically you don't fertilize a struggling plant, but yours could use a good kick in the pants. Follow the directions and it should stimulate new growth. Liquid feeds work faster than dry fertilizer and are harder to overdo, as long as you follow the directions.