Generally, if you jack the wheels off the ground, you can get a pry bar in place to force the spring back to correct position. Not an uncommon problem. Certainly, an axle/spring shop can fix it. Might want to check all the shackle bolts at same time.
2016 Tiffin 40 QBH
2015 38RSSA, traded
2005 TK3 #1869, 10 yrs of memories,
2017 F450 KR--one more Ford is it
2009 F450 4x4-died; 2010 F450-retired