Terran Catalyst by D.H. Aire
Henry Blue is a Spacer. His family facing financial ruin, he takes a desperate gamble and steals the family's the oldest and recently retrofitted freighter, the Charlie B., to make a final run with a crew that no one else would want... to a restricted world, Earth.
Meanwhile on Earth, a tragedy starts an investigation, which will take a Terran Catalyst to both save a starship freight company and solve a mystery that might bring to a distant world that which it needs most... hope.
Welcome to the first book in a new series by D.H. Aire, author of the Highmage's Plight Series.