I replaced the water filter housing assembly. It was simple to do since your site provided the how-to video. The only snag I ran into was that I had a hard time re-positioning the foam brace under the filter. The space is tight. Would have been easier if I had smaller hands. The whole process took about 10 minutes. Would have been faster but that foam piece took a while.
Side note, my fridge didn't have the retaining clips shown in your video.
Now my water/ice dispenser works as it should again. I am so glad I was able to avoid having to call in an appliance repair person. Thank you very much!