Port St. Lucie city leaders will meet Monday, June 15, to decide how to use a $24 million settlement from former trash hauler Waste Pro, including whether any funds could be returned to residents.The City Council will hold a special meeting Monday at 6 p.m. at City Hall to consider options for the settlement money.The settlement, announced in April, resolves a years-long legal dispute between the city and Waste Pro over its previous solid waste …