I'm sorta pinched on time here, so I'll be quick: The Art of Racing in the Rain is exactly what you expect it'll be...no more, no less.
And yours truly—being an ol' tender-hearted softie—cried at all the right times. Those being, expectedly, the beginning, the middle, and the end.
As I departed the theater, an elementary-aged daughter crying happy tears said to her mother, "That was the SWEETEST MOVIE I'VE EVER SEEN!"
Took the words right out of my mouth, kiddo.
Gotta go now. Off to buy a puppy.