Press up arrow/w (up), down arrow/s (down), left arrow/a (left), right arrow/d (right) to move the dog. Mr Critchley, this is not what you asked for, but you got it anyway. WARNING: NOT USABLE ON ANY MOBILE DEVICE. YOU HAVE BEEN WARNED!
This is my school account, and I have done another project on that account for you to try! Thank you @006Stmarys!