Yea sounds like something just isnt right on your voy, are your tires old? Tires makes a huge difference and it shouldnt kick out unless you are getting on it. Regardless on ice, no tire will be that great, tires will still slip. Thats where the fwd based suvs will not have that issue.
Durago looks like full time awd like my audi.
The Durango has two all wheel drive (AWD) systems. The V6 has an MP3010 single speed transfer case for full-time all wheel drive, with a 50/50 torque split. The Hemi-powered AWD Durango has a low-range MP3022 transfer case with a neutral position, for light off-road use, or to aid in moving a boat or trailer; the neutral position eases Durango-towing. The transfer case has a 2.72:1 low-range ratio, and a variable torque split. 20-inch wheels are optional.
More info:
http://www.automobile-catalog.com/ma..._awd/2014.html