My aunt often walks her dog after supper。带她的狗出去散步就是遛狗,所以翻译成walk her dog
my aunt often takes her dog out for a walk after supper.
My aunt often walks her dog after supper.
As often as not/More often than not, my aunt takes a stroll/walk with her dog after having a dinner.
My aunt often takes a walk with her dog after dinner.