Found medium dog, tan coat with white chest

I found a dog this afternoon around 4:15 pm in the Walmart parking lot on Main Street in Worthington, SW MN. He's a medium-sized mixed breed, about 40 pounds, with a short tan coat and a white patch on his chest plus white socks on his front paws. He wears a red nylon collar with a bone-shaped tag that reads 'Rex'. One ear tilts while the other stands, which makes him look extra curious. He seems healthy and friendly but a bit unsure after being on his own. I didn’t see a microchip while I checked quickly. If this is your dog, send me a note here and we can arrange reunification.