Beck, an 11-year-old cockapoo from North Yorkshire, helps spread the word about the charity's work.
Police say the suspected stolen trailer was abandoned in the middle of the A163 during the pursuit.
The items, belonging to Captain Leslie Scott, were found in an attic in North Duffield.
The trail of liquid sparked numerous calls to police from worried members of the public.
Nicholas Oakland drove at more than 100mph after stealing the car from near a shop in York.
