I would agree that it is most likely a damaged rim. I also think it also would be worthwhile to carefully examine the entire suspension on that wheel to insure everything is safe. We found a bent strut on our car after a similar incident.
It's a trip to a shop.
Sorry it happened to you. Sounds like it could be a bent rim, the impact could have screwed up your wheel alignment, etc. It's possible that the impact changed your camber or toe in or knocked off the balancing weight.
It's happened to me before. Best thing you can do is not drive it until you fix it.
I'll bet it's not as bad as a 2005 Matrix I just did. The driver wouldn't admit to what she hit/went through. It broke the rim in half, took out the inner and outer left side tie rod, the control arm was ripped in two, the swaybar end link looked like a pretzel and the ball joint where it bolts to the control arm was bent at 90 degrees instead of about 45 degrees.
I was shocked to see the tire on the new rim holding air, and the car actually took an alignment with no issue.
If it did not bend the outside of the rim be sure to inspect the inside of the rim. I had that happen on the civic after a pot hole. It was aftermarket rims though which are junk standard compared to the original factory rims.
I was just thinking about this again and remembered that I did the same thing in my old GTI. The outside of the rim looked fine. When I took the wheel off to see if the inside was bent, it was.
I found a company in the back of a Car and Driver magazine that fixed screwed up rims and shipped it to them. A few days later, I had my rim back and it looked perfect.
Unlike the front side of the rim, especially on a front wheel drive car, which is heavily supported by the mounting disk of rim, the back side of the rim can deform under severe impact.
I bought a set of used TL rims a couple of years ago, one rim had a very slight deformation on the inside edge, which is inperceptable without measuring on the Hunter machine, I took it to a wheel refinishing shop and watch the fellow put it on a turntable, clamp it down, and gentlely heated up the area around the deformation, then used a hydralic press to straighten out the deformation. Cost me about $60 IIRC.