Yes they will bolt up.
Yes
Yes
yes a 15 inch wheel WILL FIT a 1998 dodge ram 1500
Not without modification
NO, Not even close.
I don't believe that there will be enough caliper clearance.
no jeep is 5x5 dodge ram is 5x5.5
The Caliber was not produced in 1998.Caliber rims would not fit a Ram.
1500-1500, yes
YES
Yes.
They will fit on the 1995 if it is 4wd, the rim will not clear the front hub on a 2wd.