Another "brake help" thread...

The extra pumping, loud noise, and bunchas of dust is crazy.
I once had installed a rear wheel cyl pushrod and missed the shoe.
The result was the pushrod slid beside the shoe, forcing the shoe outward against the side of the drum, when pedal applied, creating lotsa noise.
Can you just check the pushrods are where they should be in the shoe.
Maybe a few pix might help.
You won't get "pedal" till all pads and shoes are in full contact with the rotor/drums.
Those pumps should be moving something that stops when you get pedal .
Bent a disc pad that wasn't in right too.