T had a work trip to Chicago last month, and I decided to join him and explore the city. I've been to Chicago twice before: Once back in 2010 when T and I visited for a few days, and again for just one night on our way to Bangkok. I have never been with kids, though, so it was an entirely new experience going to Chicago with a toddler. Today I'm breaking down our trip: What we did, where we stayed, and where to find the best playground for kids. How kid-friendly is Chicago? Chicago is …