Question:
Cold raw chicken put into milk plastic container.
Answer:
Assuming that the chicken wasn't very spicy, if the chicken was dry or in the container for less than 24 hours, the container can be washed off and used.
Best wishes
Sources:
Additional reading:
- Meat forks soaked in dairy pot,
- Changing teapots between: Dairy, Parve, and Meat?
- Fleshig mug washed in milchig dishwasher; followup question in response to your reply on 09/08/22
- Davar Charif
- Pouring hot water from pareve into dirty dairy sink
- Tuna salad in fleishig container
- Cold dairy soup with a little chili flakes in cold fleishic bowl