A blown radiator hose could not cause a 2000 Dodge Durango to not have spark and not start unless the heat damaged the computer in the vehicle. Sometimes when an engine overheats, the computer that controls the firing can be damaged.
Maybe a blown head gasket. fix it quickly.
Bottom of the radiator.
Should be at the lower left corner of the radiator.
coolant
Yes.
between the radiator and the grill
No
at drivers side of radiator
AC condensor? Grill? Bumper?
Turn counterclockwise while pulling out.
Usually in a housing located at the engine end of the upper radiator hose I have an 01 Durango with a 4.7 and the thermostat is in the lower radiator hose at the engine end.
16 psi