no you need a 16" rim
will a 15 inch rim fit a 1997 dodge ram 1500
No.
No.
You cannot mount a 15 inch tire on a 15.5 inch rim.
no, you'll need a 16" rim
No!. It is very unsafe to mix tire and rim sizes.
yes
NoNo
No. The dish of the rim will not fit over the brake calipers The smallest rim that will fit a 2006 Ram is a 17 inch wheel.
NO. It is 1 inch to big.
The biggest tire that can fit on a 15 inch rim is a 15 inch tire. It is very unsafe to mix rims and tire sizes together.