On the bright side aluminum dents and dings are easily repaired without the tools or skills of an experienced technician.
How to repair dents in aluminum siding.
Using sandpaper take off all the paint.
Place a flat washer onto a sheet metal screw and then screw it part of the way into one of the holes you drilled.
Drill a hole in it drill a small hole in the center of the dent.
Sand the patch to remove all roughness and paint it to match the siding.
Fill the dent with the two part auto body filler.
Next pull on the screw with a pair of pliers.
Sanding sponges work well.
Hopefully the dent will pop out and the siding will be good as new.