This dream involves themes of family, excitement, conflict, and escape, which can be interpreted in various ways.

1. Family Dynamics: The presence of your siblings suggests a strong bond and perhaps a sense of teamwork. This could indicate that you value your relationships with them and seek support in your waking life.
2. Desire and Frustration: The anticipation of a nice dinner represents desires or aspirations that may feel out of reach (not having enough money to eat there). This could reflect feelings of frustration or limitations you are experiencing in your life, especially regarding your goals or desires.
3. Conflict and Danger: The arrival of "bad guys" introduces a sense of danger and urgency. This could symbolize external pressures or challenges you are facing. Your instinct to fight back and protect your siblings indicates a strong sense of loyalty and bravery in dealing with difficulties.
4. Escape and Safety: Running and hiding signify a desire to escape from stress or problems. The open hotel room could represent a temporary refuge or a situation you did not expect to encounter.

Overall, this dream may be reflecting your feelings about challenges in your life, particularly those involving your family or your aspirations. It could be an encouragement to confront your challenges bravely and to rely on the support of your loved ones. Consider what aspects of your life might be causing you stress and how you can face them head-on while leaning on your support system.