Standing at an altar decorated with stuffed animals and candles placed around a Bible, Rena Rickles clutched a framed collage of herself and her husband next to images of their dogs. Her husband had given it to her for Valentine’s Day. He called it “Puppy Love.” “This is Huckleberry at four months, where his mom had to go to a bachelor party. We bonded over that weekend, and he was the most loving, loyal, creative dog. We lost him last…