This dream appears to be rich with symbolism and emotional undertones. Here are some interpretations of key elements in your dream:

1. Shaking World: The shaking of the world could represent feelings of instability or anxiety in your waking life. It may suggest that you are experiencing or anticipating significant changes or challenges that feel overwhelming.
2. Family Running and Screaming: Your family's reaction could reflect your own feelings of fear or concern about those close to you. It may indicate that you feel responsible for their safety or that you are worried about their well-being during chaotic times.
3. T-rex: The T-rex symbolizes a looming threat or fear that you perceive in your life. This could be a specific situation, responsibility, or emotional burden that feels monstrous and insurmountable.
4. Isolation and Hiding: Your decision to hide behind a dumpster indicates feelings of vulnerability and a desire to escape from the chaos. The act of crying suggests that you are processing strong emotions, possibly related to helplessness or fear of abandonment.
5. Leaving Family Behind: This aspect of the dream may point to feelings of frustration or helplessness when it comes to influencing those around you. It can also indicate a struggle between your own needs and the desire to protect your loved ones.

Overall, this dream reflects inner turmoil, fear of uncontrollable circumstances, and potential feelings of isolation. It may be beneficial to explore what sources of stress or anxiety are present in your life and consider how you can address them. Talking to someone you trust about your feelings could also provide comfort and clarity.